Search for tag: "hardness"

Creekside Elementary School Kids Heart Challenge Obstacle Course

As part of the Kids Heart Challenge, Creekside Elementary School students completed an obstacle course during physical education classes while also learning how to maintain a healthy heart and…

From  psd202 on February 10th, 2020 0 likes 53 plays

Mineral Hardness

From  csafka on August 27th, 2019 0 likes 4 plays